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- Title
TEMPO‐Substituted Poly(ethylene sulfide) for Solid‐State Electro‐Chemical Charge Storage.
- Authors
Hatakeyama‐Sato, Kan; Wakamatsu, Hisato; Matsumoto, Satoshi; Sadakuni, Karin; Matsuoka, Koji; Nagatsuka, Tomomi; Oyaizu, Kenichi
- Abstract
A poly(ethylene sulfide) backbone is introduced as the main chain of a radical polymer. Anionic ring‐opening polymerization of an episulfide monomer substituted with 2,2,6,6tetramethylpiperidin1oxyl (TEMPO), a robust nitroxide radical, yields the corresponding polythioether. Compared to the traditional poly(ethylene oxide) backbone, the new polymer shows a lower glass transition temperature (−10 °C), and about threefold higher solid‐state ionic conductivity. The polythioether is also shown to improve the charge/discharge properties of a cathode in solid‐state lithium‐ion batteries.
- Subjects
RING-opening polymerization; NITROXIDES; ADDITION polymerization; GLASS transition temperature; ETHYLENE oxide; ETHYLENE
- Publication
Macromolecular Rapid Communications, 2021, Vol 42, Issue 4, p1
- ISSN
1022-1336
- Publication type
Article
- DOI
10.1002/marc.202000607